https://www.mangago.zone/read-manga/academy_s_undercover_professor/
It's also free on webtoons
Here you go enjoy ~ https://www.mangago.zone/home/mangalist/2265824/
teacher main characters/cast is soo underrated. I remember when I first read A Good Day to be a Dog (it's a romcom so I'm not recommending) and learned that I was missing out on school teacher shenanigans. it's like office romance but not
Thank you for all the reccs!!
Great Teacher Onizuka!! (GTO)
I really like school life(?) but instead of the mc being a student, they're a teacher. The ones I really liked are:
Teacher, we will destroy the world
Ethics Class Begins Now
Terrified Teacher at Ghoul School
If you have any recommendations please drop them, especially if it's fantasy(☞ﾟヮﾟ)☞